rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (1 GPs behind) idle=278c/1/0x4000000000000000 softirq=72852/72855 fqs=4
(t=10502 jiffies g=107385 q=92 ncpus=2)
rcu: rcu_preempt kthread starved for 10495 jiffies! g107385 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27032 pid:16 ppid:2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5245 [inline]
__schedule+0x142d/0x4550 kernel/sched/core.c:6558
preempt_schedule_irq+0xf7/0x1c0 kernel/sched/core.c:6870
irqentry_exit+0x53/0x80 kernel/entry/common.c:439
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:84 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x68/0x290 mm/kasan/generic.c:189
Code: fc ff df 4e 8d 0c 03 4c 8d 54 37 ff 49 c1 ea 03 49 bb 01 00 00 00 00 fc ff df 4f 8d 34 1a 4c 89 f5 4c 29 cd 48 83 fd 10 7f 26 <48> 85 ed 0f 84 3a 01 00 00 49 f7 d2 49 01 da 41 80 39 00 0f 85 c4
RSP: 0018:ffffc90000157b70 EFLAGS: 00000283
RAX: 0000000000000001 RBX: 1ffff11027fddb28 RCX: ffffffff8a938926
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88813feed940
RBP: 0000000000000001 R08: dffffc0000000000 R09: ffffed1027fddb28
R10: 1ffff11027fddb28 R11: dffffc0000000001 R12: ffff88813feed940
R13: 1ffff9200002af78 R14: ffffed1027fddb29 R15: dffffc0000000000
instrument_atomic_read include/linux/instrumented.h:72 [inline]
_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
test_ti_thread_flag include/linux/thread_info.h:118 [inline]
need_resched include/linux/sched.h:2231 [inline]
schedule+0xd6/0x180 kernel/sched/core.c:6636
schedule_timeout+0x1b9/0x300 kernel/time/timer.c:1965
rcu_gp_fqs_loop+0x2d2/0x1150 kernel/rcu/tree.c:1706
rcu_gp_kthread+0xa3/0x3b0 kernel/rcu/tree.c:1905
kthread+0x28d/0x320 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 18767 Comm: syz-executor.3 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:__lock_acquire+0x1291/0x1f80 kernel/locking/lockdep.c:5052
Code: 00 00 00 00 00 fc ff df 48 8b 44 24 50 80 3c 10 00 48 8b 5c 24 60 74 12 48 89 df e8 e9 92 77 00 48 ba 00 00 00 00 00 fc ff df <48> 89 2b 48 8b 44 24 28 0f b6 04 10 84 c0 0f 85 61 08 00 00 41 8b
RSP: 0018:ffffc9000327f580 EFLAGS: 00000046
RAX: 1ffff1100fa5a8ca RBX: ffff88807d2d4650 RCX: ffffffff816b1b42
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff9049c230
RBP: 20c3b62f7e04f7c5 R08: dffffc0000000000 R09: fffffbfff2093847
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807d2d4658
R13: ffff88807d2d3b80 R14: 0000000000000000 R15: 1ffff1100fa5a8d5
FS: 00007f138c8246c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d2f000 CR3: 000000007d04c000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
do_write_seqcount_begin_nested include/linux/seqlock.h:515 [inline]
do_write_seqcount_begin include/linux/seqlock.h:541 [inline]
psi_group_change+0x113/0x12d0 kernel/sched/psi.c:799
psi_task_switch+0x43d/0x770 kernel/sched/psi.c:1000
psi_sched_switch kernel/sched/stats.h:199 [inline]
__schedule+0x2056/0x4550 kernel/sched/core.c:6553
schedule+0xbf/0x180 kernel/sched/core.c:6634
futex_wait_queue+0x149/0x1d0 kernel/futex/waitwake.c:355
futex_wait+0x203/0x5c0 kernel/futex/waitwake.c:656
do_futex+0x3b5/0x490 kernel/futex/syscalls.c:106
__do_sys_futex kernel/futex/syscalls.c:183 [inline]
__se_sys_futex+0x3d7/0x460 kernel/futex/syscalls.c:164
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f138ba7cf69
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f138c824178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f138bbb4128 RCX: 00007f138ba7cf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f138bbb4128
RBP: 00007f138bbb4120 R08: 00007f138c8246c0 R09: 00007f138c8246c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f138bbb412c
R13: 000000000000006e R14: 00007ffcf1a1e3b0 R15: 00007ffcf1a1e498
CPU: 1 PID: 18763 Comm: syz-executor.3 Not tainted 6.1.92-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
RIP: 0010:lock_acquire+0x26f/0x5a0 kernel/locking/lockdep.c:5666
Code: 2b 00 74 08 4c 89 f7 e8 7f a9 77 00 f6 44 24 61 02 0f 85 84 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000315f9a0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200062bf40 RCX: ffffffff816b1b42
RDX: dffffc0000000000 RSI: ffffffff8aec1340 RDI: ffffffff8b3d45e0
RBP: ffffc9000315faf8 R08: dffffc0000000000 R09: fffffbfff209384b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200062bf3c
R13: dffffc0000000000 R14: ffffc9000315fa00 R15: 0000000000000246
FS: 00007f138c8456c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000007d04c000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__might_fault+0xbd/0x110 mm/memory.c:5835
clear_rseq_cs kernel/rseq.c:228 [inline]
rseq_ip_fixup kernel/rseq.c:262 [inline]
__rseq_handle_notify_resume+0x5ba/0x1500 kernel/rseq.c:300
rseq_handle_notify_resume include/linux/sched.h:2329 [inline]
rseq_signal_deliver include/linux/sched.h:2338 [inline]
setup_rt_frame arch/x86/kernel/signal.c:773 [inline]
handle_signal arch/x86/kernel/signal.c:828 [inline]
arch_do_signal_or_restart+0x27c/0x1a10 arch/x86/kernel/signal.c:873
exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
__syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f138ba7cf67
Code: 14 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 <0f> 05 48 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89
RSP: 002b:00007f138c845178 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: 00000000000000ca RBX: 00007f138bbb4058 RCX: 00007f138ba7cf69
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f138bbb4058
RBP: 00007f138bbb4050 R08: 00007f138c8456c0 R09: 00007f138c8456c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f138bbb405c
R13: 000000000000006e R14: 00007ffcf1a1e3b0 R15: 00007ffcf1a1e498